%0 Journal Article
%T Study of Upsilon(1S) radiative decays to gamma pi(+)pi(-) and gamma K+ K-
%A BABAR Collaboration (Lees, J. P. et al
%A Martinez-Vidal, F.
%A Oyanguren, A.
%J Physical Review D
%D 2018
%V 97
%N 11
%I Amer Physical Soc
%@ 2470-0010
%G English
%F BABARCollaborationLees_etal2018
%O WOS:000435809400001
%O exported from refbase (https://references.ific.uv.es/refbase/show.php?record=3627), last updated on Wed, 04 Jul 2018 10:09:58 +0000
%X We study the Upsilon(1S) radiative decays to gamma pi(+)pi(-) and gamma K+K- using data recorded with the BABAR detector operating at the SLAC PEP-11 asymmetric-energy e(+)e(-) collider at center-of-mass energies at the Upsilon(2S) and Upsilon(3S) resonances. The Upsilon(1S) resonance is reconstructed from the decay Upsilon(nS) -> pi(+)pi(-) Upsilon(1S), n =2, 3. Branching fraction measurements and spin-parity analyses of Upsilon(1S) radiative decays are reported for the I = 0 S-wave and f(2) (1270) resonances in the pi(+)pi(-) mass spectrum, the f'(2) (1525) and f(0) (1500) in the K+K mass spectrum, and the f(0)(1710) in both.
%R 10.1103/PhysRevD.97.112006
%U http://arxiv.org/abs/1804.04044
%U https://doi.org/10.1103/PhysRevD.97.112006
%P 112006-17pp